Repair File Descriptor Leaks
Repair file descriptor and handle leaks from files, streams, watchers, pipes, subprocesses, early returns, retries, errors, and cancellations.
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You say
Our Node/TypeScript service processes uploaded ZIPs. It opens an input stream, unzip parser, output streams, and sometimes a helper subprocess. If one entry fails validation, the function returns early. After hundreds of failed generated uploads, local tests reproduce EMFILE and open handles keep rising. Repair using temporary ZIPs and disposable subprocesses. Do not access customer files, change ulimit, or inspect production descriptors.
Your agent does
Descriptor leak found. The repair centralizes ownership and cleanup and adds repeated-failure tests returning local handle counts to baseline. Production descriptor usage remains unverified.
What you get
About this skill
File descriptor leaks often hide until a process has handled hundreds of failures. A stream stays open after an early return, a watcher is recreated without stopping the old one, or subprocess pipes remain open.
This skill maps ownership, repairs acquire/use/release lifecycles, makes cleanup deterministic, and proves local descriptor stability with repeated fixtures.
How to install
Drop the file into your AI Agent. Works with Claude, Cursor, ChatGPT, and 20+ more.
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